Phytodiversity of Transylvanian hydrographic basins

Based on field researches accomplished between 1991 and 1999 but also on all rcfcrcnccs, the present paper establishes a synthesis on the aquatic and paludal flora from the main rivers' basins from whole Transylvania. The status of spccics encountered in the red lists and the main natural protected areas are also conccrncd. Between 23% and 32,8% of the flora is considered endangered in the specified area